Crimsonwood 2

Maybe get a better reward for the more rooms you clear seems plausible, though.

Well something like that is fine, I mean as long as you can get in and get on with it. Nothing worse than honing around for a certain class to turn up.

As for the paladin room, I always imagined it filled with monsters immune to most elements, but weak to one. Make it a room that resets when nobody's in, and that allows one person inside. Monsters you can attack only with Lightning, fire, ice, and holy... All four at the same time. Only one who can kill them all is a Palladin. Maybe make the holy one an extra so 3rd job ones can still clear it partially.

To me a simple idea for a Paladin room would be to have a mini boss style character that can only be hit by elemental attacks. It would cycle through all the different elements, meaning a mage would be no good. You would need a paladin since it had all the elements needed. Or maybe a room that only one person can go in that has 4 monsters/reactors that need to be hit with the different elements to activate or unlock something.